The SC667 and SC668 current sink drivers with on-chip digital lighting effects are presented as reducing the total parts count and extending battery life compared to boost converters or charge pumps.

Semtech Corp. announced the industry's first smart current sink LED backlighting platform with on-chip digital lighting effects for high-end handheld displays. Semtech Corp. announced the industry's ...

The 4-20 mA transmitters used in industrial current-control loops can be implemented as powered current sources, remote non-powered current sinks, or with several other I/O combinations. A useful ...

The thyristor or silicon-controlled rectifier (SCR) provides a convenient latching mechanism for switching power to a load. However, once the thyristor is triggered into conduction, it supplies no ...

It isn’t unusual to expect a precisely regulated voltage in an electronic project, but what about times when you need a precise current? Over on EDN, prolific [Stephen Woodward] explains how to use a ...